Romans 14:15

Irenaeus Against Heresies Book III " And everywhere, when [referring to] the passion of our Lord, and to His human nature, and His subjection to death, he employs the name of Christ, as in that passage: "Destroy not him with thy meat for whom Christ died."[335]

A Letter from Origen to Africanus

we notice such things, we are forthwith to reject as spurious the copies in use in our Churches, and enjoin the brotherhood to put away the sacred books current among them, and to coax the Jews, and persuade them to give us copies which shall be untampered with, and free from forgery! Are we to suppose that that Providence which in the sacred Scriptures has ministered to the edification of all the Churches of Christ, had no thought for those bought with a price, for whom Christ died;[4]

Origen Against Celsus Book VIII

and again, "Destroy not him with thy meat, for whom Christ died; "[55]

The Second Epistle of Clement Concerning Virginity

For "if for the sake of meat our brother be made sad, or shocked, or made weak, or caused to stumble, we are not walking in the love of God. For the sake of meat thou causest him to perish for whose sake Christ died."[23]